02022-2402 HDS 272 AB (HD 12515)
02h 02m 11.25s -24° 02' 23.8" P.A. 311.00 sep 0.5 mag 8.01,11.70 Sp F6V dist. 62.15 pc (202.73 l.y.)
| Coord 2000 |
02022-2402 |
|
Discov num |
HDS 272 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 02 11.25 -24 02 23.8 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
34 |
|
| Pa first |
28 |
|
Pa last |
310.7 |
|
P.A. Now (θ) |
310.7° |
|
| Sep first |
0.6 |
|
Sep last |
0.463 |
|
Sep. Now (ρ) |
0.463" |
|
| Mag pri |
8.01 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
3.69 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+100 |
|
Sec motion ra |
|
|
| Pri motion dec |
+033 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
02022-2402 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 12515 |
167506 |
02 02 11 -24 02 24 |
HDS 272 AB |
2021 |
34 |
311 |
0.5 |
8.01 |
11.70 |
3.69 |
Y |
<=== |
| Show |
|
|
02 02 11 -24 02 24 |
TOK 41 Ba,Bb |
2021 |
31 |
226 |
0.1 |
8.50 |
8.80 |
0.30 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 12515 |
|
Constellation |
Fornax |
|
SAO |
167506 |
|
HIP |
9497 |
|
| Tycho2 |
6430-00111-1 |
|
Gaia DR2 |
5122360108118694016 |
|
HD |
12515 |
|
CD |
CD-24 867 |
|
| CP |
CP-24 230 |
|
Distance |
62.15 |
|
Distance ly |
202.73 |
|
ORBITAL ELEMENTS
| Period (P) | 138.54y | |
Periastron (T) | 2074.75y | |
Semi-major axis (a) | 0.97a | |
| Eccentricity (e) | 0.513 | |
Inclination (i) | 111.1° | |
Longitude of periastron (ω) | 274.2° | |
| Node (Ω) | 89.6° | |
Notes | | |
Reference | Hrt2011d | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
2.8 |
0.527 |
| 2001 |
0.1 |
0.527 |
| 2002 |
357.4 |
0.528 |
| 2003 |
354.7 |
0.530 |
| 2004 |
352.0 |
0.532 |
| 2005 |
349.3 |
0.536 |
| 2006 |
346.7 |
0.540 |
| 2007 |
344.2 |
0.545 |
| 2008 |
341.6 |
0.551 |
| 2009 |
339.2 |
0.558 |
| 2010 |
336.8 |
0.565 |
| 2011 |
334.4 |
0.573 |
| 2012 |
332.2 |
0.581 |
| 2013 |
330.0 |
0.590 |
| 2014 |
327.8 |
0.600 |
| 2015 |
325.8 |
0.610 |
| 2016 |
323.8 |
0.620 |
| 2017 |
321.8 |
0.631 |
| 2018 |
320.0 |
0.642 |
| 2019 |
318.2 |
0.653 |
| 2020 |
316.4 |
0.664 |
| 2021 |
314.7 |
0.676 |
| 2022 |
313.1 |
0.687 |
| 2023 |
311.5 |
0.699 |
| 2024 |
310.0 |
0.711 |
| 2025 |
308.6 |
0.723 |
| 2026 |
307.1 |
0.734 |
| 2027 |
305.8 |
0.746 |
| 2028 |
304.4 |
0.757 |
| 2029 |
303.1 |
0.769 |
| 2030 |
301.9 |
0.780 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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